Keywords: HooverDamConcrete.jpg en wikipedia 2011 March 23 Concrete pouring at Hoover Dam http //www usbr gov/lc/images/gallery/hoover/Wash-No-2244 jpg Date of upload Bureau of Reclamation PD-USGov Original upload log en wikipedia NortyNort CommonsHelper page en wikipedia Hooverdamconcrete jpg 2010-06-21 02 21 NortyNort 800×640× 200589 bytes <nowiki> Concrete pouring at Hoover Dam http //www usbr gov/lc/images/gallery/hoover/Wash-No-2244 jpg ~~~~~ Date of upload Bureau of Reclamation other</nowiki> Construction of the Hoover Dam |